短語(yǔ)詞組短語(yǔ)wingtip rigid frame system [地物]翼尖硬架系統(tǒng)helicopter rigid frame system [航]直陞飛機(jī)機(jī)身硬架系統(tǒng)continuous rigid frame -continuos beam system 連續(xù)剛搆 返回 rigid frame system